A269 npog ob qho tib si welded thiab seamless stainless rau cov ntawv thov dav dav lossis uas xav tau kev tiv thaiv corrosion thiab qis lossis siab kub siv suav nrog 304L, 316L thiab 321. A249 tsuas yog welded thiab siv rau cov ntawv thov kub siab (boiler, cua sov exchanger).
Lub sijhawm tshaj tawm: Lub Peb Hlis-04-2019
